<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>hover demo</title>
  <script src="https://code.jquery.com/jquery-3.4.1.js"></script>
</head>
<body>
    <div><p></p></div>
<script>
    $( 'body' ).on( 'click', 'p>article', function() {
        alert($(this).prop('tagName'));
        alert($(this).text());
    });
    
    $( 'p' ).append( '<article> <h1>新文章的附加文章</h1> <p>内容 </p> </article>' );
</script>
 

 
</body>
</html>